Rare earth containing P2O5-WO3-Na2O glass for laser applications
AssigneeSchott Glass Technologies, Inc.
InventorsJoseph Hayden, Sally Pucilowski, Bianca Schreder, Ulrich Peuchert, Ruediger Sprengard, Martin Letz
Life of this patent
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Abstract
A rare earth containing glass nominally based on the ternary P2O5—WO3—Na2O-Ln2O3 compositional space, with WO3>30-65 mole %, Na2O 15-35 mole %, P2O5 5-65 mole %, Ln2O3 (Ln=one or more cations selected from lanthanum or any of the rare earth oxides) up to the limit of solubility; with optional additives, MoO3 being a preferred additive, that can be employed alone or in combination at levels up to 15 mole %.
Claims42
A glass comprising >30-65 mole % WO3, 5-35 mole % Na2O, and 16-65 mole % P2O5, and doped with one or more rare earth oxides, wherein the rare earth is La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Pm, Lu, Tm, Er and/or Yb, up to the limit of solubility of the one of more rare earth oxides in the glass, and wherein the glass contains essentially no Sb.
A laser generator or amplifier containing a glass comprising >30-65 mole % WO3, 5-35 mole % Na2O, and 16-65 mole % P2O5, and doped with one or more rare earth oxides, wherein the rare earth is La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Pm, Lu, Tm, Er and/or Yb, up to the limit of solubility of the one of more rare earth oxides in the glass.
A method of generating and/or amplifying optical laser radiation comprising using a glass comprising >30-65 mole % WO3, 5-35 mole % Na2O, and 16-65 mole % P2O5, and doped with one or more rare earth oxides, wherein the rare earth is La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Pm, Lu, Tm, Er and/or Yb, up to the limit of solubility of the one of more rare earth oxides in the glass as an amplifying medium.
A glass comprising >30-65 mole % WO3, 5-35 mole % Na2O, and 17-65 mole % P2O5, and doped with one or more rare earth oxides, wherein the rare earth is La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Pm, Lu, Tm, Er and/or Yb, up to the limit of solubility of the one of more rare earth oxides in the glass, and wherein the glass contains essentially no Sb.
A glass comprising >30-65 mole % WO3, 5-35 mole % Na2O, and 16-65 mole % P2O5, and doped with one or more rare earth oxides, wherein the rare earth is La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Pm, Lu, Tm, Er and/or Yb, up to the limit of solubility of the one of more rare earth oxides in the glass, and wherein the glass contains an amount of up to 15 mole % of only one of Li2O or K2O without the presence of another alkali metal, and wherein the glass contains essentially no Sb.
A glass comprising >30-65 mole % WO3, 5-35 mole % Na2O, and 16-65 mole % P2O5, and doped with one or more rare earth oxides, wherein the rare earth is La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Pm, Lu, Tm, Er and/or Yb, up to the limit of solubility of the one of more rare earth oxides in the glass, and wherein the glass contains less than 10 mol % TeO2, and wherein the glass contains essentially no Sb.
A laser glass comprising a glass lasing medium and an exit surface for laser radiation, wherein said glass lasing medium comprises >30-65 mole % WO3, 5-35 mole % Na2O, and 16-65 mole % P2O5, and doped with one or more rare earth oxides, wherein the rare earth is La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Pm, Lu, Tm, Er and/or Yb, up to the limit of solubility of the one of more rare earth oxides in the glass.
A hybrid structure of one or more materials comprising one or more materials in which one or more of the materials is/are a glass comprising >30-65 mole % WO3, 5-35 mole % Na2O, and 16-65 mole % P2O5, and doped with one or more rare earth oxides, wherein the rare earth is La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Pm, Lu, Tm, Er and/or Yb, up to the limit of solubility of the one of more rare earth oxides in the glass.
A hybrid structure comprising two glasses bonded to each other, wherein both glasses independently of each other comprise >30-65 mole % WO3, 5-35 mole % Na2O, and 5-65 mole % P2O5, and doped with one or more rare earth oxides, wherein the rare earth is La, Ce, Pr, Nd, Sm, Eu, Gd, Td, Dy, Ho, Pm, Lu, Tm, Er and/or Yb, up to the limit of solubility of the one of more rare earth oxides in the glass.
Dependencies are inferred from the claim text.